<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">首页</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">

                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">内容管理
                        <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="{{:U('Article/index')}}">文章管理</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="{{:U('Category/index')}}">栏目管理</a></li>
                    </ul>
                </li>


                <li><a href="{{:U('Upload/index')}}">附件管理</a></li>
                <li><a href="{{:U('Link/index')}}">友情链接管理</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">系统管理
                        <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="{{:U('Config/site_info')}}">站点信息</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="{{:U('Config/clear_cache')}}">清除缓存</a></li>
                    </ul>
                </li>
            </ul>
            <form class="navbar-form navbar-left">
                <div class="form-group">
                    <input type="text" class="form-control" placeholder="Search">
                </div>
                <button type="submit" class="btn btn-default">搜索</button>
            </form>
            <ul class="nav navbar-nav navbar-right">
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">尊敬的
                        {{$_SESSION['user']['username']}} 管理员
                        <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="{{:U('Config/update_password')}}">修改密码</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="{{:U('User/logout')}}">安全退出</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>
